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Add a rollback capability to showFlightsFATSV where it will not issue an update for a hexid that doesn't contain anything update-worthy.

This commit is contained in:
Karl Lehenbauer 2014-03-19 22:06:10 +00:00
parent ed17d9629e
commit addb94b1bb
1 changed files with 15 additions and 1 deletions
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16
net_io.c
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@ -948,6 +948,8 @@ void showFlightsFATSV(void) {
int groundValid = 0;
int ground = 0;
int latlonValid = 0;
int useful = 0;
char *rollback = p;
if (0 && a->modeACflags & MODEAC_MSG_FLAG) { // skip any fudged ICAO records Mode A/C
a = a->next;
@ -1017,7 +1019,6 @@ void showFlightsFATSV(void) {
}
}
p += sprintf(p, "clock\t%ld\thexid\t%06X", a->seen, a->addr);
// if ((a->bFlags & MODES_ACFLAGS_CALLSIGN_VALID) && *a->flight != '\0') {
@ -1031,10 +1032,12 @@ void showFlightsFATSV(void) {
if (altValid) {
p += sprintf(p, "\talt\t%d", alt);
useful = 1;
}
if (a->bFlags & MODES_ACFLAGS_SPEED_VALID) {
p += sprintf(p, "\tspeed\t%d", a->speed);
useful = 1;
}
if (groundValid) {
@ -1047,10 +1050,21 @@ void showFlightsFATSV(void) {
if (a->lat != 0.0 || a->lon != 0.0) {
p += sprintf(p, "\tlat\t%.5f\tlon\t%.5f", a->lat, a->lon);
useful = 1;
}
if (a->bFlags & MODES_ACFLAGS_HEADING_VALID) {
p += sprintf(p, "\theading\t%d", a->track);
useful = 1;
}
// if we didn't get at least an alt or a speed or a latlon or
// a heading, undo this message we've been prepping by setting
// the p pointer back to what it was when we started generating
// the message for this aircraft
if (!useful) {
p = rollback;
continue;
}
// if there's a verbatim string and it's not null, append it to the